TLDRAmerican Airlines firmly rejected any interest in pursuing a merger with United Airlines (UAL)AAL shares declined more than 1% during after-hours trading after the announcementUnited CEO Scott Kirby allegedly presented the merger concept to White House officials in FebruaryThe potential combination would form the world’s largest airline carrierTransportation Secretary Sean Duffy indicated consolidation may happen but would undergo rigorous examinationAmerican Airlines issued a forceful rebuttal on Friday regarding speculation surrounding a possible merger with United Airlines, causing its shares to decline in extended trading hours.Shares of AAL dropped more than 1% following the company’s public statement clarifying it has no involvement in, nor appetite for, merger discussions with United.American Airlines Group Inc., AAL“A merger with United would harm competition and consumers,” American Airlines stated, further noting that such a transaction would contradict “our interpretation of the Administration’s stated priorities.”The statement followed a Bloomberg news story disclosing that United’s Chief Executive Scott Kirby had proposed merging the two airlines during conversations with high-ranking administration figures, including President Trump, during February.Kirby previously held the position of President at American Airlines before transitioning to United, where he currently leads as CEO.The Bloomberg reporting does not confirm whether any official discussions or due diligence processes have been initiated regarding a potential transaction.Regulatory Hurdles Would Loom LargeCombining AAL and UAL would result in the world’s largest airline by a significant margin.The two companies collectively command over one-third of domestic U.S. air travel, competing alongside Delta (DAL) and Southwest (LUV).Industry observers have highlighted that a transaction of this magnitude would inevitably attract substantial regulatory scrutiny and probable resistance from consumer advocacy organizations and competing airlines.Transportation Secretary Sean Duffy discussed airline industry consolidation earlier in the month during a CNBC interview, suggesting opportunities exist for mergers in the aviation sector.Duffy mentioned that President Trump typically favors large-scale corporate combinations.Oversight Would Remain CriticalNevertheless, Duffy cautioned that any significant airline consolidation would undergo evaluation regarding its effects on airfare pricing and market competition.He indicated that merging carriers would probably be required to sell off specific operations to avoid creating excessive market dominance.American Airlines’ public response seemed to acknowledge this regulatory environment, characterizing a United combination as incompatible with antitrust standards.UAL shares had risen 7.12% earlier during the week, potentially driven by merger-related speculation, while AAL had increased 4.16% during that same timeframe before Friday’s after-hours decline.As of 6:09 PM ET Friday, AAL had retreated as investors processed the airline’s unequivocal dismissal of the proposed transaction.The post American Airlines (AAL) Stock Slides as Carrier Rejects United Airlines Merger Reports appeared first on Blockonomi.